General

Engineer's Note

Designed for enterprise server platforms, this 64GB DDR4-3200 Registered ECC RDIMM ensures data integrity in virtualized environments and memory-intensive database workloads. Its dual-rank architecture and CL22 latency optimize memory interleaving and bandwidth efficiency, while the 1.2V operating voltage and registered signal type maintain robust signal stability across fully populated 288-pin memory channels.

Technical Specs & Insights

1. Registered buffering stabilizes signal integrity across large memory populations, enabling dense server configurations to run uninterrupted under maximum DIMM-per-channel loads.
2. ECC protection detects and corrects memory errors in real time, preserving the data accuracy required by transactional databases and financial ledgers.
3. High-capacity module increases memory-per-socket density, empowering virtualization hosts to support more guest instances without costly hardware scaling.
4. High-throughput bandwidth accelerates in-memory analytics and caching layers, shrinking response times for concurrent big-data queries and real-time dashboards.
5. Dual Rank interleaving keeps memory banks heavily pipelined, sustaining peak channel utilization when multiple VMs contend for shared resources.

Why These Specs Matter

In the data center, where every millisecond of latency and every bit of data integrity directly impacts revenue, the M393A8G40CB4-CWE 64GB DDR4-3200 RDIMM is engineered to eliminate the silent killers of server reliability. This module’s ECC memory actively corrects single-bit errors caused by cosmic radiation or electrical noise, preventing silent data corruption that could crash a virtualized cluster hosting dozens of business-critical VMs. Coupled with Registered DIMM technology, it buffers command and address signals to maintain rock-solid signal integrity when populating all 24 DIMM slots in a 2-socket server, a scenario where unbuffered memory would falter under the electrical load and cause intermittent failures. Its dual-rank design interleaves access across two internal ranks, significantly increasing the hit rate of row-buffer locality in large in-memory databases like SAP HANA, delivering measurably higher transactions per second compared to single-rank configurations. The 3200MT/s speed ensures that memory bandwidth does not become the bottleneck when hundreds of virtual machines compete for shared resources, while the 1.2V low-power operation reduces thermal output in dense rack deployments, prolonging component lifespan. For the virtualization architect or database engineer, this module means you can consolidate more workloads confidently, knowing that even under 24/7 saturation, data remains accurate, latency stays predictable, and your memory subsystem will not be the root cause of a 3 a.m. outage.

Endurance & Reliability

General Virtualization
With 64GB Registered ECC DDR4-3200 modules, populate two or four DIMMs per host to reach 128GB–256GB, respecting balanced memory channels. This ensures ample capacity for moderate VM density while ECC safeguards against bit errors in multi-tenant environments.

In-Memory Database
Deploy the full memory channel population—often 8 or 16 identical 64GB RDIMMs per CPU—to maximize capacity and bandwidth for datasets held entirely in RAM. Dual-rank modules at 3200MT/s deliver the low latency and high throughput essential for real-time transaction processing and rapid query response.

High-Performance Computing (HPC)
Fill all memory channels symmetrically with these 64GB RDIMMs to sustain high bandwidth per core in compute-bound simulations. The registered ECC design stabilizes large-scale, long-running parallel jobs, and a configuration of 256GB–512GB per node prevents I/O bottlenecks when data staging exceeds local cache.

Verified Compatibility

Rigorously tested and compatible with Dell PowerEdge R750, HPE ProLiant DL380 Gen10 Plus, Lenovo ThinkSystem SR650 V2.

FAQ